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Finding the Fourth Proportional to 121,527.44, 167,707.32 and 67,809.32

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Solution

The fourth proportional to 121,527.44, 167,707.32 and 67,809.32 is: 93,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,527.44 : 167,707.32 = 67,809.32 : x
  2. Step 2: Convert to fraction form
    121,527.44/167,707.32 = 67,809.32/x
  3. Step 3: Cross multiply
    121,527.44x = 167,707.32 × 67,809.32
  4. Step 4: Simplify right side
    121,527.44x = 11,372,119,328.22
  5. Step 5: Solve for x
    x = 11,372,119,328.22/121,527.44
  6. Step 6: Final answer
    x = 93,576.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.